Johnston & Murphy - Mcguffey Slip-On. Color Gray Oiled Full Grain. On sale for $72.92. MSRP $129.00.. 4.7 out of 5 stars+2Brand NameJohnston & MurphyProduct NameMcguffey Slip-OnGenderMen'sColorGray Oiled Full GrainPrice$72.92MSRP: $129.00Rating5Rated 5 stars out of 5(1890)